ELR Citation: 55 ELR 20052
No(s). 23-9503 (10th Cir. Apr 28, 2025)

The Tenth Circuit granted in part and denied in part an environmental group's petition to review EPA approval of Colorado's 2019 SIP revisions. The group argued the revision to the permit requirement for new emission sources prevented regulators from blocking construction when a new source woul...